Company lists · Data refreshed September 2026

Top 25 Interview research services based in the United States

RevenueBase identified 479 company matches for interview research services associated with the United States as of September 2026 and tracks 5,511 professional contacts across them, including 1,458 with verified work emails. New York is the largest hub.

This list covers company matches for interview research services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
479Companies
5,511Contacts tracked
1,458Verified emails
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The 25 largest interview research services based in the United States

Ranked by team size
Top 25 of 479 company matches for interview research services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWashington, DC, United StatesHQ recorded Sep 20, 2026201-500344 contacts →

Exact match

“American Directions Research Group is one of the largest and most experienced market research survey providers in the United States.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 20, 2026501-1,000285 contacts →

Exact match

“Fieldwork is a qualitative research partner.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-200229 contacts →

Exact match

“Blackstone Group is a full-service custom marketing research and consulting firm providing clients with actionable insights for over 25 years.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchFort Smith, AR, United StatesHQ recorded Sep 20, 2026501-1,000217 contacts →

Exact match

“C&C Market Research is an industry leading market research field service firm based in Fort Smith, AR, which owns and operates over 36 research facilities in major markets all…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchIrvine, CA, United StatesHQ recorded Sep 20, 202651-200142 contacts →

Exact match

“IntelliSurvey provides software and services to help professional researchers make business decisions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 20, 2026501-1,000130 contacts →

Exact match

“FPG provides high-quality marketing research data collection services by leveraging new techniques and technologies to make market insights more accessible, accurate, and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchDurham, NC, United StatesHQ recorded Sep 20, 202651-200127 contacts →

Exact match

“At The Link Group, we make complexity feel simple.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-200125 contacts →

Exact match

“Insights Opinion is an emerging global leader in research outsourcing, offering expert data collection services to large research and consulting firms.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchChandler, AZ, United StatesHQ recorded Sep 20, 202651-200111 contacts →

Exact match

“Ironwood Insights is a team of expert-level insights consultants who solve critical marketing and business problems for forward-thinking companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchWayne, PA, United StatesHQ recorded Sep 20, 202611-50111 contacts →

Exact match

“From nationwide recruiting & online sample services to coding, transcription, client list management and incentive processing, our expert team is all in.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 2026501-1,000105 contacts →

Exact match

“ISA offers real-time access to consumers through quick turn, high impact, custom research solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchCherry Hill, NJ, United StatesHQ recorded Sep 20, 2026201-50090 contacts →

Exact match

“MAXimum Research, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchRedmond, WA, United StatesHQ recorded Sep 20, 202651-20086 contacts →

Exact match

“User Research International provides comprehensive research solutions to industry-leading companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchCalabasas, CA, United StatesHQ recorded Sep 20, 202651-20085 contacts →

Exact match

“Davis Research is a privately held family business that has been executing projects for market research professionals since 1970.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchDallas, TX, United StatesHQ recorded Sep 20, 202651-20074 contacts →

Exact match

“Market Research Facilities in Dallas, Atlanta, Chicago, Boston, Indianapolis, Hartford, Los Angeles and New York.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchBloomington, MN, United StatesHQ recorded Sep 20, 202611-5073 contacts →

Exact match

“ISG is an independently-owned, full-service market research firm based in the Twin Cities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchSunnyvale, CA, United StatesHQ recorded Sep 20, 202651-20054 contacts →

Exact match

“Delivering trusted and inspiring marketing research.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchBranford, CT, United StatesHQ recorded Sep 20, 202611-5053 contacts →

Exact match

“At Touchstone Research (TSR), we empower brands with innovative, tech-driven market research solutions that deliver deep, actionable insights.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchPortland, OR, United StatesHQ recorded Sep 20, 202651-20052 contacts →

Exact match

“MDC Research is a full-service market research firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-20048 contacts →

Exact match

“Listen Labs is an autonomous market researcher that makes robust research simple and fast.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 202651-20046 contacts →

Exact match

“For over sixty years, Adler Weiner Research has provided the finest in qualitative market research services with uncompromising integrity and honesty.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchPhoenix, AZ, United StatesHQ recorded Sep 20, 202611-5045 contacts →

Exact match

“Landmark is your trusted partner for researcher support services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchFrisco, TX, United StatesHQ recorded Sep 20, 202611-5043 contacts →

Exact match

“From quick, quantitative surveys to complex, qualitative audiences, our clients come to Veridata Insights knowing their market research needs will be creatively developed and well…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-20043 contacts →

Exact match

“Outset is the most advanced AI-moderated research platform for running high-quality qualitative research at scale.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchStafford, TX, United StatesHQ recorded Sep 20, 202651-20042 contacts →

Exact match

“Creative Consumer Research has been in business for over 46 years in Stafford, Texas with experience in an array of research projects.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 479 interview research services based in the United States

See the full list, filter by size, metro and specialty, and access 1,458 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Interview research services based in the United States at a glance

As of Sep 20, 2026
26.5%Verified-email coverage
11.5Average contacts per company
1-10Median size (employees)
6.1%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
285
11-50
145
51-200
34
201-500
8
501-1,000
5
1,001-5,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 479 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “interview research services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,458 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “interview research services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many interview research services are there based in the United States?

RevenueBase identified 479 company matches for interview research services associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

American Directions Research Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most interview research services?

New York leads with 29 company records, followed by Chicago (19) and Los Angeles (19).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,458 professional contacts with verified work emails tracked across these 479 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.